... (220V)222412220V/50Hz Characters:1. Shows the using time of each light source, name and switching times2. Automatic light ... metamerism3. No preheating, no flashing, guarantee fast and reliable evaluation of color4. Low energy consumption, no heating (no cooling), high ... . Functionwidely used to calibrate the goods’ color in the production of textiles, toys, printing dye, plastic, ink, printing, paints, ...